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Hi Tony yes ive covered the prv with a bag, over a week it was bone dry if i turn off the boiler isolating valves will i not use it at all for hdw also Kev

When heating is running it reaches around 3bar the cuts off, Nothing is released via PRV So this leak if in boiler could either be 2 things, Heat exchanger or expansion vessel or 3rd the pipework leading to the rads. Is it easy to replace heat exchanger and expansion vessel i am fairly...

yes its the same prob as before thought id start a new post as id thought problem had gone when i put f4 in system but it never fixed the problem, Expansion vessel ??

okay thats no problem just found this on ebay (not far from where i live) http://cgi.ebay.co.uk/VOKERA-DHW-HEAT-EXCHANGER-8036-BRAND-NEW-LINEA24,MAXIN_W0QQitemZ170434737440QQcmdZViewItem?rvr_id=&rvr_id=&cguid=cff783291270a0e205427442ff32fc2a Are they easy to fit

Yeah same here, I ve checked all the obvious places for leaks, if it were upstairs i should be able to see something Could i possibly top up system to 1.5 bar then block pipe work (flow and return) from boiler then if pressure goes down id know boiler is def at fault How could i get...

So you think it could well possibly be the boiler at fault (heat exchanger) like i say i have checked and i cant definately see a leak The boiler bloke who came out is from insurance through barclays, so do you think if i get them out again and tell them i want the heat exchanger replacing...

I had a boiler man out on Wed of this week who assures me that the boiler is not at fault, he said if boler was leaking id see it dripping from below and water would be visible on my kitchen worktop below it, he rekons im losing around 2 pints in two days of water, so also says if it were...

PRV checked and dry as sticks Boiler is Vokera Maxin 24e Installer Inst http://vokera.co.uk/wp-content/uploads/2009/04/maxin_24e_28e_installation_and_servicing_-instructions.pdf User Inst http://www.vokera.co.uk/wp-content/uploads/2009/04/maxin_users_instructions.pdf

Hi The pressure is dropping to zero over 2 days from 1.5 bar, this has been going on for around 4 - 6 weeks, the floors are floorboards so i do have access, ive checked and cant see any leak or even signs of any leak, is it upstairs or downstairs thats what i really need to know thats why im...

Hi, ive a leak in my CH system (Combi Boiler) Been hunting everywhere for it but cant locate it, the flow/return leave the boiler then hit a T one pair go upstairs the other for downstairs, i was thinking maybe to help locate the leak to either cut off the supply to either upstairs or down...

I did exactly this a few month back Yes take off the bath / basin and i used solder and brass compression, a dont like pushfit Kev

Update ; New filling loop fitted, and 2 tubes of fernox f4 concentrate in system Ive checked under floorboards for leaks and found nothing at all My pressure is still dropping to 0.5 - zero over 2 days Surely my boiler must be at fault What can it be any ideas Im going to...

Update: The engineer came and said it was either air in the pipework (reason for pressure dropping) or a leak Advised me to put some fernox f4 leak sealer might take two doses but that should stop the leak Whilst he was here he showed me how to release the presure, dead easy with the...

Update Ive drilled a couple of holes from underneath and like i presumed no leaks whatsoever Ive checked all rads in house and no leaks So ive contacted the boiler insurance and they are comming out tomorow, i know they will say it is due to the work ive recently carried they will sure...

Hi again After a day the bag has collected a small amount of water possibly enough to fill an egg cup To me this doesnt seem very much, this afternoon im going to drill a couple small holes in ceiling below just to double check nothing is leaking in the pipework above i recently carried...

Hi and thanks for the advice I cleaned out the pipe and yes there was water in it (not sure if this is a collection of rain water over a period of time though so im keeping an eye on it Last night i topped the system up to 1 bar switched off the heating and when i checked this morning it...

Very good information there thanks to everyone Ive checked inside the pipe that goes outside and looking in i can see what looks like either sludge or mud / muck not sure what it is, could i turn the fill loop on so pressure rises above 3bar so the water will then flush out the pipe is...

So if the pressure is incorrect in the Expansion vessel would this cause ch water to exit via the prv kev

Ive also noticed when central heating is running the pressure used to go up to around 3.5 bar when heating was at its hottest it now only reaches around 2 bar Does this point at pressure releif valve Kev

Hi Ive just checked that pipe and there was a small amount of water inside the pipe ill keep an eye on it If this is the case whats does that mean could be wrong Kev